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Scheme

;;; primref.ss
;;; Copyright 1984-2017 Cisco Systems, Inc.
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
(define-record-type primref
(nongenerative #{primref a0xltlrcpeygsahopkplcn-2})
(sealed #t)
(fields name flags arity))
(define primref-level
(lambda (pr)
(if (all-set? (prim-mask unsafe) (primref-flags pr)) 3 2)))